Sentiment Analysis

Was looking for "Open-source" "Java" "Library" for sentiment analysis/mining.

Found out instead that it's more of an NLP and text mining task.

So looking at the following tools now

http://gate.ac.uk/

http://www.cs.waikato.ac.nz/ml/weka/

http://mallet.cs.umass.edu/

http://rapid-i.com/

Nice vids @ http://sentimentmining.net/weka by Bill Claster. Looking at them now.